357 results about "Eggs per gram" patented technology

Methods for preparing recombinant proteins, such as antibodies, in eggs are described. The method offers advantages over existing systems for preparing recombinant proteins including high yield, low cost and compatibility with animal protection regulations. In addition, since eggs are edible food sources the recombinant protein does not have to be isolated from the egg.

The invention relates to methods for determining the sex of birds' eggs. It can be used for an early determination of the sex, in particular in poultry farming, and in this respect also with non-incubated eggs. In the method in accordance with the invention, electromagnetic radiation is emitted onto the blastodisk of an egg by a radiation source and, after a switching off of the radiation source, the decay behavior of the autofluorescence intensity excited by the electromagnetic radiation is detected by a detector at the irradiated region of the blastodisk with time resolution and spectral resolution for at least one wavelength of the autofluorescence. The fractal dimension D_F is calculated using the determined measured intensity values and the value of the fractal dimension D_F is compared with a species-specific and sex-specific limit value, wherein, when the limit value is exceeded, the respective egg is classified as female and, when it is not reached, the egg is classified as male.

The invention discloses preparation and application of Clostridium butyricum and a live Clostridium butyricum preparation; Clostridium butyricum LXKJ-1 is collected in China Center for Type Culture Collection on 24 March, 2016 under CCTCC NO: M201613. A seed medium, fermentation medium formulation, culture conditions for Clostridium butyricum and a production of a preparation of live Clostridium butyricum are also disclosed. The Clostridium butyricum provided herein is tolerant to acids, bases and high temperature, is highly capable of producing butyric acid, can inhibit animal pathogens, such as Escherichia coli, Salmonella, Shigella, Staphylococcus aureus, Listeria monocytogenes, and Clostridium perfringens, and can prevent diarrhea in livestock and poultry due to Escherichia coli, Salmonella and Clostridium perfringens, improving intestinal flora balance, promoting the growth of livestock and poultry, relieving constipation in sows, improving egg weight for layers, improving eggshell quality for layers, and decreasing egg-feed ratio.

The invention discloses an egg quality nondestructive detection method based on the unit weight of an egg, and belongs to the technical field of nondestructive detection of the quality of agriculturalproducts. The method comprises the following steps: rapidly connecting and processing the image of every egg, establishing a linear relationship between the area and the volume of the very egg, conveniently and rapidly calculating the unit weight of every egg, and establishing a linear relationship between the unit weight of the egg and the Haugh unit, a common index for the freshness, of the egg to predicate the freshness of the egg. Eggs with the unit weight rho being equal to or more than 1.067 have a high freshness, and are suitable for consumers to eat; eggs with the unit weight rho being 1.046-1.067 can be eaten by the consumers; eggs with the unit weight rho being 0.996-1.046 have a poor freshness, and are not suitable for consumers to eat as shell eggs; and eggs with the unit weight rho being equal to or less than 0.996 cannot be eaten. The freshness of an egg can be rapidly and simply known and the egg is graded only through inputting the image of the egg into a system.

The invention relates to a production method of eggs enriched in organic selenium, comprising the following steps: fully stirring and uniformly mixing an feed additive enriched in selenium and a general chicken feed so as to prepare a chicken feed enriched in selenium, which contains 7.5%-45% of the feed additive enriched in selenium and contains 0.3-1.7mg/kg of selenium finally, for standby; feeding chickens with the chicken feed enriched in selenium, and conducting dynamic detection on collected samples every other day until 10 days later when the selenium content in the eggs is 0.3-1.7mg/kg; and continuously feeding the chickens with the chicken feed enriched in selenium, and finally obtaining the eggs with the selenium content being kept at 0.3-1.7mg/kg stably. According to the production method, the selenium content in the egg exists in the form of organic selenium, so that the safety is good, the selenium is easy to absorb and utilize, and the selenium supplementing demands of different crowds can be met.

The invention relates to a method for determining fipronil and fipronil metabolite residual quantity in eggs. The method for determining the fipronil and fipronil metabolite residual quantity in eggs comprises the steps of sample preparation; sample pretreatment; organic solvent extraction; pigment impurity removal through a solid phase extraction column, wherein nitrogen is blown to be almost dry, residues are dissolved through a mobile phase, and the solution is filtered through a filter membrane for UPLC-TQD analysis; standard solution preparation; high performance liquid chromatography-tandom mass spectrometer determination and the like. The method is easy to implement, rapid, high in automatic degree, high in extraction efficiency, good in recovery and repeatability and capable of simultaneously determining the fipronil and fipronil metabolite residual quantity in eggs.

The invention discloses a feed additive for producing eggs rich in n-3 series polyunsaturated fatty acid composition. The feed additive adopts an optimized proportion combination by adopting a principle of various plant source function complementation, is added into formula feeds for layer chickens with a ratio of 16 percent, and is used for producing health-care eggs with low cost, safe quality, n-3 series polyunsaturated fatty acid composition enrichment, favorable antioxidant properties, storage stability and easy popularization and application. Compared with ordinary chicken feeds, the feed additive formula enables the n-3PUFA content of a produced egg to be enhanced by 4.01 times to 4.72 times, the level of lipid peroxide (MDA) to be lowered by 20.8 percent to 27.5 percent, and the color of a egg yolk is deepened by 2.1 to 2.4 unit levels (a standard solor fan) when being used for feeding layer chickens. In addition, because added plant resources fulfill has certain efficacy of disease resistance, the feed additive has remarkable effect of nutritional immunity, and the incidence of non-viral diseases of the layer chicken is obviously lowered in a feeding process.

The invention discloses detection on melamine in hen eggs through the inner filtration effect of fluorescence and belongs to the technical field of analytical chemistry. The detection is characterized in that melamine is rapidly detected through the inner filtration effect of fluorescence between a quantum dot (ZnSe QSs) and a silver nano particle (AgNPs). The detection comprises the following steps: stably synthesizing AgNPs through citrate, synthesizing and purifying glutathione modified ZnSe QSs, observing a quantum dot-colloidal silver system of the melamine of different concentrations by using a fluorescence method, and detecting the melamine through fluorescence recovery of the quantum dot. By adopting the method, the melamine in hen eggs can be simply, rapidly and sensitively detected, great sensitivity is achieved, and convenience is brought to later research, production, monitoring and the like.

The invention discloses a triple egg yolk antibody against newcastle disease virus, avian influenza virus and infectious bronchitis virus and a preparation method and application thereof. The preparation method of the egg yolk antibody comprises the following steps of: (1) selecting a hen; (2) performing triple inactivation immunization of the hen obtained by the step (1) by use of newcastle disease virus, infectious bronchitis virus and avian influenza virus; (3) taking the egg laid by the hen and separating the egg yolk liquid; and (4) separating and purifying an egg yolk antibody from the egg yolk liquid obtained by the step (3). The triple egg yolk antibody disclosed by the invention is of great value in treating and preventing newcastle disease, avian influenza and infectious bronchitis.

The invention provides a method for breeding tridentiger trigonocephalus by artificial induced spawning and insemination, which relates to the artificial propagation of gobies. The method required tobe provided for artificially breeding the tridentiger trigonocephalus comprises the steps of ripe fish screening, maturity acceleration, insemination, incubation and larval fish culture, wherein the maturity acceleration of ripe fishes uses luteotropin to release hormone analogues, domperidone maleate and chorionic gonadotropin, and is characterized in that the three hormones are used twice for the maturity acceleration; in the maturity acceleration, the water temperature of culture is between 18 and 21 DEG C, the salinity is between 2 and 6, the dissolved oxygen is between 3.5 and 6.5mg/L, and the pH is between 7.5 and 9.0; and after the second time of the maturity acceleration, in 8 to 10 hours, mature ova and mature sperms are selected for artificial insemination which comprises the following steps that: the activated sperms are poured on the ova for sufficient contact so as to obtain fertilized ova; the fertilized ova are placed in a hatchery pond for incubation; and the hatched larval fish is placed in a culture pond for incubation, and chlorella and yolk powder of eggs are placed in water from the third day after the larval fish is hatched to feed food for the larval fish. The method is used for the artificial breeding of the tridentiger trigonocephalus.

The invention discloses a process of detecting mutation allelomorph of egg fishy odor and an agent case, which can be applied in screening the property of a chicken which lays egg with fishy odor. Chickens whether carry mutation allelomorph of egg fishy odor can be accurately and high effectively differentiated through using the process or the agent case of the invention, thereby solving the problem of egg fishy odor in practical production, greatly reducing the cost of molecule breeding, being beneficial for widespread choosing feed raw material, reducing feed costs and increasing economic benefits. The detecting process or the agent case which are provided by the invention has simple operation, low cost, short detecting time and high accuracy, which can realize automatic detection, and will plays great role in chicken breeding.

The invention relates to a method of monitoring breaking of eggs by an egg breaking apparatus in a cyclic process, where eggs are broken using a plurality of egg breaking devices, each egg breaking device breaking one egg having shell and contents at a time and where the contents of each egg is collected in an egg receiving device, each egg receiving device receiving the contents of only one egg in each process cycle. An operator monitors the contents received in the egg receiving devices and identifies egg receiving devices containing abnormal contents using a pointing device. This identification is detected by a detection device and communicated to a reject mechanism, which causes the contents of the identified egg receiving device to be discharged into a rejected product receptacle. The detection device may be a remote sensor, an integrated part of the pointing device or a device located on each of the egg receiving devices.

The invention relates to a method for the incubation of eggs and to a device for the incubation of eggs. The incubation device includes a cabinet provided with a climate control for regulating the atmospheric humidity and temperature of the air that is to be passed through the cabinet, and at least one frame. At least one stack of trays positioned vertically above one another is arranged in the frame, each tray having a multiplicity of egg positions for receiving an egg. To turn the eggs, the trays of the stack can pivot to and fro through a defined pivot angle about a horizontal axis with respect to the frame. The vertical distance between the trays positioned above one another thereby changes. In the method, the trays are periodically pivoted through the defined pivot angle and the magnitude of the defined pivot angle is variable.

The invention relates to a device and method for observing and recording a chicken incubation experiment. The device comprises a processor, a camera, an egg irradiating device, an incubation support plate, a warmer, a humidifier, a fan, a steering engine, a temperature sensor, a humidity sensor and an oxygen concentration sensor, wherein the processor has a timing function and a timing processing function, the camera is connected with the processor and used for acquiring the images of eggs, the egg irradiating device is connected with the processor and used for irradiating the eggs, the incubation support plate is used for bearing the eggs, the warmer is connected with the processor and used for adjusting environment temperature, the humidifier is connected with the processor and used for adjusting environment humidity, the fan is connected with the processor and used for adjusting environment oxygen concentration, the steering engine is connected with the processor and used for driving the incubation support plate to rotate, the temperature sensor is connected with the processor, the humidity sensor is connected with the processor, and the oxygen concentration sensor is connected with the processor. By the device and method for observing and recording the chicken incubation experiment, an experimenter can clearly observe the development process of egg embryos and monitor and record the development conditions of the embryos in real time, and cost can be saved.

The invention provides a poultry egg freshness comprehensive index detection method based on the visible/near-infrared spectroscopy, which comprises the steps of: R1, sample preparation; R2, spectralinformation acquisition; R3, poultry egg freshness comprehensive index calculation; R4, establishment of a discrimination model; and R5, determination of an optimal prediction model. The invention further provides a poultry egg freshness comprehensive index detection method based on the visible/near-infrared spectroscopy, which is used for implementing the method. Experiments prove that accordingto the poultry egg freshness comprehensive index detection method and device based on the visible/near-infrared spectroscopy, which are provided by the invention, a related coefficient predicted by the determined optimal model can reach 0.868.

The invention discloses a screening method of an SNP molecular marker associated with Nandan Yao egg shell color. The screening method comprises the following steps: (1) finding out genes related to egg quality from known literatures, designing primers, taking Nandan Yao chicken, collecting blood, extracting genomic DNA, and performing sequencing in a mixed pool; (2) taking Nandan Yao hens as testchickens, measuring eggshell color and shape indexes of eggs from 24 weeks old and to 60 weeks old; (3) collecting blood of the 60-week-old test chicken, extracting genome DNA, and performing PCR sequencing on detected SNP sites; and (4) sorting sequencing data and eggshell color data, screening out candidate SNP loci significantly associated with eggshell colors, and providing an SNP molecular marker theoretical basis for eggshell color breeding. The method can be applied to rapid and simple cultivation for improving the eggshell color of Nandan Yao chicken eggs, simplifies whole genome association analysis, directly performs SNP marker screening on trait-related genes, and is suitable for breeding of quantitative traits with high heredity.

The invention discloses an egg shell-breaking machine. The egg shell-breaking machine includes a rubber egg-feeding mechanism, a conveying mechanism, a support stirring mechanism, a shell breaking mechanism and a control mechanism, wherein the support stirring mechanism is fixedly installed on the side end surface of a bracket, the support stirring mechanism is used for stirring eggs and driving the conveying mechanism, and the conveying mechanism is fixedly installed on the inner side of the support stirring mechanism; and the conveying mechanism is used for conveying the eggs, the shell breaking mechanism is fixedly installed on the upper end surface of the support stirring mechanism, and the shell breaking mechanism is used for breaking the shells of the eggs. A motor is used for driving a sprocket so that a chain is driven by the sprocket, and then a square plate rotates, so that automatic rotation of the eggs is achieved, and the work of egg shell breaking is facilitated greatly;when the shells are broken, the square plate moves to the bottom, and the egg shells drop into a drawer, so that the effect of egg-liquid separation is achieved; and a controller is used for controlling the operation of the machine, and the control mechanism is used for controlling the overall operation of the machine.

The invention discloses a detection and cleaning device for eggs used for preparing marinated eggs. The detection and cleaning device comprises a cleaning pipe and a base. The cleaning pipe is arranged on the base by a bracket. The inner wall of the cleaning pipe is provided with a plurality of brushes. The top end of the cleaning pipe is provided with a rotten egg outlet. One side of the cleaning pipe is a provided with an egg inlet. The tail end of the cleaning pipe is connected with an egg collecting unit. The detection and cleaning device provided by the invention has the advantages of reasonable design, simple structure, convenient use, high safety, high efficiency and multiple functions. The brushes are arranged in the detection and cleaning device and can automatically clean eggs in the falling process of eggs, so that resources can be saved; and the rotten egg outlet is arranged in the detection and cleaning device, rotten eggs automatically rise to the rotten egg outlet according to the principle that rotten eggs float in water, so that the rotten eggs are easily separated.

The invention discloses a grabber for a whole plate of bird eggs and relates to the field of bird egg machinery. The grabber for the whole plate of bird eggs is provided with a fixed handle and a movable handle, wherein the fixed handle and the movable handle are fixedly connected with a fixed bracket and a moving frame below respectively; the moving frame is positioned above the fixed bracket; the fixed bracket is connected and aligned with the movable frame through guide rods; the extension part, positioned below the fixed bracket, of each guide rod is provided with a spring; a plurality of pull rods fixed on the movable frame penetrate through the fixed bracket; egg claws are mounted at the end parts of the plurality of pull rods; the plurality of egg claws form arrays; the claw fingers of each egg claw are made from a spring piece; the pull rods pull the egg claws to move up and down; when the egg claws encounter claw finger gathering devices mounted on the fixed bracket, the claw fingers are folded; when the egg claws do not encounter claw finger gathering devices mounted on the fixed bracket, the claw fingers are opened; when hands hold the fixed handle and the movable handle, the movable handle drives the movable frame to move towards the fixed bracket; through the pull rods, the egg claws are driven to fold and grab the whole plate of bird eggs. The grabber for the whole plate of bird eggs can serve as a manually-driven grabbing tool and can further serve as a grabbing machine hand. The grabber provided by the invention is not only applicable to whole plates of eggs, but also applicable to plate products similar to plates of bird eggs.